A popular essay on the value and present condition of the practice of vaccination : embracing a consideration of all the points important to be understood by the heads of families, and particularly of re-vaccination / by a physician.

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A popular essay on the value and present condition of the practice of vaccination : embracing a consideration of all the points important to be understood by the heads of families, and particularly of re-vaccination / by a physician. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)